.menu-left {
    float: left;
    width: 100px;
}

.content-right {
    float: left;
}

.content-top-menu {
    border: 1px solid black;
    background-color: #f0ffff;
    width: 840px;
}

.content-menu-title {
    font-style: italic;
    font-weight: bold;
}

.content-bottom {
    width: 840px;
    height: 30px;
    border: 1px solid black;
    background-color: #f0ffff;
    float: left;
}
.content-message {
    width: 600px;
    text-align: center;
    margin: 1.2px 0px 0px 0px;
    float: left;
}

.content-main {
    width: 835px;
}
